Overview
The MC78L12ABDG is a part of the MC78L00A Series of linear voltage regulators produced by onsemi. These regulators are known for their simplicity, low cost, and robust performance. They are designed to provide a regulated supply of up to 100 mA, making them suitable for a wide range of applications. The MC78L12ABDG features internal current limiting and thermal shutdown, enhancing their ruggedness and reliability. No external components are typically required for many applications, which simplifies the design process. These regulators offer significant performance advantages over traditional zener diode-resistor combinations, including reduced output impedance and quiescent current.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 11.5 | 12 | 12.5 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 120 | mV (14.5 Vdc ≤ VI ≤ 27 Vdc) |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 100 | mV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 13 V ≤ VI ≤ 24 V, TJ = +25°C) | 37 | 57 | - | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Input Bias Current (TJ = +25°C) | - | - | 6.0 | mA |
| Temperature Range | -40°C | - | +125°C | - |
| Package | - | - | - | SOIC-8 (Pb-Free) |
Key Features
- Internal Short Circuit Current Limiting
- Internal Thermal Overload Protection
- No External Components Required in Many Applications
- Wide Range of Available, Fixed Output Voltages
- Low Cost
- Pb-Free Packages Available
- Complementary Negative Regulators Offered (MC79L00 Series)
Applications
- General Purpose Power Supplies
- Consumer Electronics
- Industrial Control Systems
- Automotive Systems
- Battery-Powered Equipment
Q & A
- What is the output voltage of the MC78L12ABDG?
The output voltage of the MC78L12ABDG is 12 V, with a tolerance of 11.5 V to 12.5 V at TJ = +25°C.
- What is the temperature range for the MC78L12ABDG?
The temperature range for the MC78L12ABDG is -40°C to +125°C.
- What is the maximum current output of the MC78L12ABDG?
The maximum current output of the MC78L12ABDG is 100 mA.
- Does the MC78L12ABDG require external components?
No, the MC78L12ABDG does not require external components in many applications).
- What is the dropout voltage of the MC78L12ABDG?
The dropout voltage of the MC78L12ABDG is 1.7 V at TJ = +25°C).
- What is the ripple rejection of the MC78L12ABDG?
The ripple rejection of the MC78L12ABDG is 37 dB to 57 dB at IO = 40 mA, f = 120 Hz, and 13 V ≤ VI ≤ 24 V at TJ = +25°C).
- Is the MC78L12ABDG available in Pb-Free packages?
- What are some common applications for the MC78L12ABDG?
- Does the MC78L12ABDG have internal thermal protection?
- What is the package type of the MC78L12ABDG?
